Finding the Fourth Proportional to 887,391.42, 1,225,191.30 and 524,931.68
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Solution
The fourth proportional to 887,391.42, 1,225,191.30 and 524,931.68 is: 724,755.40
Step by Step Solution
- Step 1: Write the proportion equation
887,391.42 : 1,225,191.30 = 524,931.68 : x - Step 2: Convert to fraction form
887,391.42/1,225,191.30 = 524,931.68/x - Step 3: Cross multiply
887,391.42x = 1,225,191.30 × 524,931.68 - Step 4: Simplify right side
887,391.42x = 643,141,727,430.38 - Step 5: Solve for x
x = 643,141,727,430.38/887,391.42 - Step 6: Final answer
x = 724,755.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.